

<script src="http://unpkg.com/jquery"></script>
<script src="https://unpkg.com/jquery.qrcode@1.0.3/jquery.qrcode.min.js"></script>

<div id="qrcode"></div>
<script>
function uuid() {
	var s = [];
	var hexDigits = "0123456789abcdef";
	for (var i = 0; i < 36; i++) {
		s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);
	}
	s[14] = "4"; // bits 12-15 of the time_hi_and_version field to 0010
	s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1); // bits 6-7 of the clock_seq_hi_and_reserved to 01
	s[8] = s[13] = s[18] = s[23] = "-";

	var uuid = s.join("");
	return (new Date).getTime() + "-" + uuid;
}
let state = uuid()

jQuery('#qrcode').qrcode({
    render: "canvas", //也可以替换为table
    foreground: "#000",
    background: "#FFF",
    text: `https://open.weixin.qq.com/connect/oauth2/authorize?appid=wx5a9db0b452e8ca0b&redirect_uri=http://kg.zhaodashen.cn/mt/web/qr/login.jsp&response_type=code&scope=snsapi_base&state=${state}&connect_redirect=1#wechat_redirect`
});
</script> 